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S5700 Series Switches Hardware Description

This document provides an overall description of the S5700 hardware, helping you obtain detailed information about each chassis, card, power module, fan module, cable, and optical module.
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S5720-56C-PWR-HI-AC

S5720-56C-PWR-HI-AC

Version Mapping

Table 4-1021 lists the mapping between the S5720-56C-PWR-HI-AC chassis and software versions.

Table 4-1021 Version mapping

Series

Model

Software Version
S5720-HI S5720-56C-PWR-HI-AC

V200R006C00 and later versions

Appearance and Structure

Figure 4-410 S5720-56C-PWR-HI-AC appearance
1 Forty-eight PoE+ 10/100/1000BASE-T ports 2 Four 10GE SFP+ ports
3 One ETH management port 4 One mini USB port
5 One console port 6 One USB port
7 Ground screw
NOTE:
It is used with a ground cable.
8 ESN label
NOTE:

You can draw it out to view the ESN and MAC address of the switch.

9 Rear card slot 1
NOTE:
This slot is reserved for future use.
10 Rear card slot 2
11 Power module slot 2
NOTE:

Applicable power module: 1150 W AC PoE power module

12 Power module slot 1
NOTE:

Applicable power module: 1150 W AC PoE power module

Port Description

10/100/1000BASE-T port
A 10/100/1000BASE-T Ethernet electrical port sends and receives service data at 10/100/1000 Mbit/s, and must use an Ethernet cable. Table 4-1022 describes the attributes of a 10/100/1000BASE-T Ethernet electrical port.
Table 4-1022 Attributes of a 10/100/1000BASE-T Ethernet electrical port

Attribute

Description

Connector type

RJ45

Standards compliance

IEEE802.3, IEEE802.3u, IEEE802.3ab

Working mode

10/100/1000 Mbit/s auto-sensing

Maximum transmission distance

100 m

10GE SFP+ port
A 10GE SFP+ Ethernet optical port supports auto-sensing to 1000 Mbit/s. It sends and receives service data at 1000 Mbit/s or 10 Gbit/s. Table 4-1023 describes the attributes of a 10GE SFP+ Ethernet optical port.
Table 4-1023 Attributes of a 10GE SFP+ port

Attribute

Description

Connector type

LC/PC

Optical port attributes

Depend on the optical module used

Standards compliance

IEEE802.3ae

Working mode

GE/10GE auto-sensing

Console port
The console port is connected to a console for on-site configuration. The port must use a console cable. The console port is used when a switch is powered on for the first time. For details about the attributes of a console port, see Table 4-1024.
Table 4-1024 Attributes of a console port

Attribute

Description

Connector type

RJ45

Standards compliance

RS-232

Working mode

Duplex Universal Asynchronous Receiver/Transmitter (UART)

Baud rate

9600 bit/s, 19200 bit/s, 38400 bit/s, 57600 bit/s, or 115200 bit/s

Default value: 9600 bit/s

Mini USB port

The mini USB port is connected to a console for on-site configuration. When both the Mini USB and console port have a cable connected, only the Mini USB port works.

ETH management port
You can connect a switch to a configuration terminal or network management workstation through the ETH management port to configure the switch locally or remotely. The port must use an Ethernet cable. You can choose to download the software package through the ETH management port in the BootLoad menu. File transfer through the ETH management port is faster than transfer through the console port. Table 4-1025 describes the attributes of an ETH management port.
Table 4-1025 Attributes of an ETH management port

Attribute

Description

Connector type

RJ45

Standards compliance

IEEE802.3

Working mode

10/100 Mbit/s auto-sensing

Maximum transmission distance

100 m

In V200R012C00 and later versions, you can log in to the switch that contains the ETH management port for the first time through the ETH port. For details, see "First Login to a Switch" in the Configuration Guide - Basic Configuration. If you have logged in to the device for the first time by pressing and holding the MODE button for 6 seconds or longer and save the configuration, the default configuration on the ETH port will be cleared. In this case, you cannot log in to the switch for the first time through the ETH port. You are advised to log in to the switch for the first time through the ETH port.
USB port
The USB port can have a USB flash drive connected to upgrade the switch, or transfer configuration files or other files. The USB port can only connect to a USB flash drive that complies with USB 2.0.
NOTE:
USB flash drives from different vendors differ in model compatibility and drivers. If a USB flash drive cannot be used, try to replace it with another one from a mainstream vendor. Switches support a maximum of 128 GB USB flash drives.

Indicator Description

NOTE:
In V200R007 and later versions, you can hold down the mode switch button for 6s and release it to start the web initial login mode. Either of the following situations will occur:
  • If the switch has no configuration file, the system attempts to enter the web initial login mode. In this mode, the status of mode indicators is as follows:
    • If the system enters the web initial login mode successfully, all mode indicators turn green and stay on for a maximum of 10 minutes.
    • If the system fails to enter the initial login mode, all mode indicators fast blink for 10 seconds and then restore to the default status.
  • If the switch has a configuration file, the system cannot enter the web initial login mode. In this case, all mode indicators fast blink for 10s, and then return to the default states.
Figure 4-411 Indicators on the S5720-56C-PWR-HI-AC

Table 4-1026 Description of indicators on the switch
No. Indicator Name Color Status Description
1 PWR1 Power module indicator - Off No power module is available in power module slot 1, or the switch has only one power module but the power module does not work normally.
Green Steady on A power module is installed in power module slot 1 and is working normally.
Yellow Steady on

The switch has two power modules installed. Any of the following situations occurs in power module slot 1:

  • A power module is available in this slot but its power switch is in the OFF position.

  • A power module is available in this slot but it is not connected to a power source.

  • The power module in this slot has failed.

2 PWR2 Power module indicator - Off No power module is available in power module slot 2, or the switch has only one power module but the power module does not work normally.
Green Steady on A power module is installed in power module slot 2 and is working normally.
Yellow Steady on

The switch has two power modules installed. Any of the following situations occurs in power module slot 2:

  • A power module is available in this slot but its power switch is in the OFF position.

  • A power module is available in this slot but it is not connected to a power source.

  • The power module in this slot has failed.

3 SYS System status indicator - Off The system is not running.
Green Fast blinking The system is starting.
Green Slow blinking The system is running normally.
Red Steady on The system does not work normally after registration, or a fan alarm or temperature alarm has been generated.
4 STAT Status indicator - Off The status mode is not selected.
Green Steady on The status mode (default mode) is selected. If the status mode is selected, the service port indicator shows the port link or activity state.
5 SPED Speed indicator - Off The speed mode is not selected.
Green Steady on The service port indicators show the port speeds. After 45 seconds, the service port indicators automatically restore to the status mode.
6 STCK Stack indicator - Off
  • If you are not changing the indicator mode (default): The switch is in stack standby or slave state or the stacking function is not enabled on the switch.
  • If you are changing the indicator mode: The stack mode is not selected.
Green Steady on The switch is a standby or slave switch in a stack, and the service port indicators show the stack ID of the switch.
Green Blinking
  • If you are not changing the indicator mode (default): The switch is a stack master switch or a standalone switch with the stacking function enabled.
  • If you are changing the indicator mode: The switch is the master switch in a stack or a standalone switch, and the service port indicators show the stack ID of the master switch.
After 45 seconds, the service port indicators automatically restore to the status mode.
7 PoE PoE indicator - Off The PoE mode is not selected.
Green Steady on The service port indicators show the PoE status. After 45 seconds, the service port indicators automatically restore to the status mode.
8 MODE Mode switch button - -
  • When you press this button once, the service port indicators change to the speed mode and show the speed of each service port
  • When you press this button a second time, the service port indicators change to the stack mode and show the stack ID of the local switch.
  • When you press this button a third time, the service port indicators change to the PoE mode and show the PoE status of each service port.
  • When you press this button a fourth time, the service port indicators restore to the default mode, and the STAT indicator turns green.

If you do not press the MODE button within 45 seconds, the service port indicators restore to the default mode. In this case, the STAT indicator is steady green, the SPED and PoE indicators are off, and the STCK indicator is off or blinking green.

9 - Service port indicator Meanings of service port indicators vary in different modes. For details, see Table 4-1027.
10 - Mini USB indicator - Off The Mini USB port is disabled, and the console port is enabled.
Green Steady on The Mini USB port is enabled.

When the Mini USB indicator is steady green, the console indicator is off.

11 - Console indicator - Off The console port is disabled, and the Mini USB port is enabled.
Green Steady on The console port is enabled (default state).

When the console indicator is steady green, the Mini USB indicator is off.

12 - ETH port indicator - Off The ETH port is not connected.
Green Steady on The ETH port is connected.
Green Blinking The ETH port is sending or receiving data.
13 - USB-based deployment indicator - Off
  • No USB flash drive is connected to the switch.
  • The USB port is damaged.
  • The indicator is damaged.
  • The USB flash drive does not have any configuration file and cannot be used for deployment.
  • The switch has been upgraded using the USB flash drive and is restarting.
Green Steady on A USB-based deployment has been completed.
Green Blinking The system is reading data from the USB flash drive.
Yellow Steady on The switch has copied all the required files and completed the file check. The USB flash drive can be removed from the switch.
Red Blinking An error has occurred when the system is executing the configuration file or reading data from the USB flash drive.
Table 4-1027 Description of service port indicators in different modes

Display Mode

Color

Description

Status

Green

  • Off: The port is not connected or has been shut down.
  • Steady on: The port is connected.

  • Blinking: The port is sending or receiving data.

Speed

Green

  • Off: The port is not connected or has been shut down.
  • Steady on:

    10M/100M/1000M port: The port is operating at 10/100 Mbit/s.

    1000M/10GE port: The port is operating at 1000 Mbit/s.

  • Blinking:

    10M/100M/1000M port: The port is operating at 1000 Mbit/s.

    1000M/10GE port: The port is operating at 10 Gbit/s.

PoE

Green

  • Off: The port does not provide PoE power.
  • Steady on: The port is providing PoE power.

  • Blinking: The PD connected to the port is not a standard PD or its power exceeds the maximum power or power threshold of the port.

Stack

Green

  • Off: The STCK mode is not selected.
  • If the indicator is steady on, the switch is not a master switch:

    • If the indicator of a port is steady on, the number of this port is the stack ID of the switch.

    • If the indicators of ports 1 to 9 are steady on, the stack ID of the switch is 0.

  • If the indicator is blinking, the switch is a master switch:

    • If the indicator of a port is blinking, the number of this port is the stack ID of the switch.

    • If the indicators of ports 1 to 9 are blinking, the stack ID of the switch is 0.

Power Supply Configuration

The S5720-56C-PWR-HI-AC is a PoE switch and uses 1150 W AC PoE power modules. It has two power module slots. Table 4-1028 lists its power supply configurations.

Table 4-1028 Power supply configurations
Power Module 1 Power Module 2 Available PoE Power Maximum Number of Ports (Fully Loaded)
1150 W (220 V) - 785.4 W
  • 802.3af (15.4 W per port): 48
  • 802.3at (30 W per port): 26
1150 W (220 V) 1150 W (220 V) 1440 W
  • 802.3af (15.4 W per port): 48
  • 802.3at (30 W per port): 48
1150 W (110 V) - 446.6 W
  • 802.3af (15.4 W per port): 29
  • 802.3at (30 W per port): 14
1150 W (110 V) 1150 W (110 V) 893.2 W
  • 802.3af (15.4 W per port): 48
  • 802.3at (30 W per port): 29
NOTE:
When a switch has two power modules installed, the two power modules work in redundancy mode to provide power for the chassis and in load balancing mode to provide power for PDs.
Figure 4-412 shows the power supply mode of dual AC PoE power modules (PWR1 and PWR2). After AC power is transmitted to the PWR modules, the PWR modules provide 12 V and -53 V outputs. The outputs are combined on the motherboard, which then provides 12 V voltage for the switch and -53 V voltage for the PDs.
Figure 4-412 Power supply by dual AC PoE power modules

L: live wire

N: neutral wire

PGND: protection ground

GND: 12 V reference ground

RTN: -53 V reference ground

Heat Dissipation

The S5720-56C-PWR-HI-AC has five built-in fans for forced air cooling. The airflow direction is left-to-right.

Technical Specifications

Table 4-1029 lists technical specifications of the S5720-56C-PWR-HI-AC.

Table 4-1029 Technical specifications

Item

Description

Memory (RAM)

4 GB

Flash

512 MB in total. To view the available flash memory size, run the display version command.

Mean time between failures (MTBF)

39.31 years when no interface card is configured; 37.53 years when a 4-port 10GE interface card is configured

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

Common mode: ±1 kV

Power supply surge protection

±2 kV in differential mode, ±4 kV in common mode

Dimensions (H x W x D)

44.4 mm x 442.0 mm x 420.0 mm (1.75 in. x 17.4 in. x 16.5 in.)

When 1150 W power modules are installed, they stretch out from the chassis. Therefore, the total depth of the switch changes to 507.3 mm (19.97 in.).

Weight (with packaging)

10.9 kg (24.03 lb)

Stack ports

Four fixed 10GE SFP+ ports on the front panel or ports on the 4-port 10GE SFP+ rear interface card

NOTE:
The switch supports service port stacking since V200R009C00.

RTC

Supported

RPS

Not supported

PoE

Supported

Rated voltage range

100 V AC to 240 V AC, 50/60 Hz

Maximum voltage range

90 V AC to 264 V AC, 47 Hz to 63 Hz

Maximum power consumption (100% throughput, 100% PoE loads, full speed of fans)

1739 W (system power consumption: 299 W, PoE: 1440 W)

Typical power consumption (30% of traffic load)
  • Tested according to ATIS standard
  • EEE enabled
  • No PoE power consumption

132.35 W

Operating temperature

0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.)

NOTE:
When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

Short-term operating temperature

-5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5906 ft.)

NOTE:

When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

The equipment can operate beyond the normal operating temperature range for a short-term period, but the following conditions must be met:
  • The equipment operates at a temperature of over 45°C (113°F) consecutively for at most 96 hours in one year.
  • The equipment operates at a temperature of over 45°C (113°F) for a total of no more than 360 hours in one year.
  • The equipment operates at a temperature of over 45°C (113°F) for no more in 15 times in one year.
The equipment may be damaged or experience unexpected exceptions if any of the preceding limits is exceeded.

The equipment cannot start when the temperature is lower than 0°C (32°F). The maximum distance of optical modules used in these conditions cannot exceed 10 km.

Storage temperature

-40°C to +70°C (-40°F to +158°F)

Noise under normal temperature (27°C, sound power)

< 69.8 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification

  • EMC certification
  • Safety certification
  • Manufacturing certification

Part number

02358599
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Updated: 2019-08-19

Document ID: EDOC1000013597

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